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Read what other patients have said about us:

Bob L, Green Bay

As one who has a strong dislike of folks playing around in my mouth, I found Dr. Marty and staff to be curteous and very professional and the same time very friendly!! They were all very sympathetic to my needs. Thanks guys!

Linda Z, Green Bay

Friendly staff. Dr.Willams and staff are thorough. Today was a first visit for me.

Corie, Stingl

Dr. Marty and his staff provide the highest quality dental care I have ever experienced. They truly treat it as an art.
This was the first time I have had cavities filled that I did not feel pain once during the entire process.. WOW!!
Sierra Dental has mastered the ability to make patients feel at ease and at home during every appointment!!
Thank you all for enhancing smiles every day!

Patricia, Green Bay

MY EXPERIENCE AT SIERRA DENTAL: I know I needed a lot of Dental work done. I hadn't been to a dentist for over 8 years. I needed a dentist with all the modern equipment, artistic talent, and compassion. It took me over one year to find the right dentist for me. I want you to know I made the right choice with Sierra Dental. I was nervous at first, and didn't know what to expect. After the second visit, I knew I made the right choice, because from the secretary, to the hygienist, the chair side assistant, and of course the dentist: what a lot of talent they have at this office and compassion. Now to let you all know what to expect (pertaining to my experience), I had absolutely NO discomfort or pain. I wish I would show you all the before and after picture of my teeth and smile, what a difference. I was so happy with it all! WHAT A WONDERFUL EXPERIENCE, THANK YOU SIERRA DENTAL!

Paige Baker, Green Bay

This was the best experience I’ve ever had at a dental clinic! Dr. Williams is an excellent dentist who’s main priority is making sure his patient is comfortable and gives the best dentistry there is. He and his dental assistants where so unbelievably nice! I had a crown put in and never thought I’d get out of the chair saying “this was an awesome experience, I don’t want to leave!” I’ve had absolutely everything done to my teeth through the years and I so wish I had known about Sierra Dental instead of experiencing the pain and lack of care I had to from other dentist. I will forever recommend Dr. Williams, his staff and practice to all and will only go here from now on. Thank you again!

Savannah Brown, Green Bay

Nikki J, Green Bay

I never knew having a bunch of fillings changed could be so much fun, all who are receiving high quality service and top notch work! Although Dr. Marty is a perfectionist, he certainly keeps the atmosphere light and stress-free. The entire staff has an awesome and caring way of connecting with their patients and making them feel like family. Love the sense of humor over there; it’s unbeatable! I highly recommend Sierra Dental. Thanks all for a wonderful visit!

Lori Zimmerman , Green Bay

Wonderful supportive team. Always treated in a kind and comforting way. Dr. Williams and his staff are always on the cutting edge of every updated dental procedures.

Shine B, De Pere, WI

Since 1994 I have gone to see 4 dentists here in Green Bay, and Dr. Williams and staff is positively the best! I would absolutely recommend them to everyone! They are definitely successful in providing the best possible care and service to all. One of my favorite touches is the warm wipe they give to me after each cleaning. 4/5/17

Mike Haney, Lakewood, Wi.

Dr. Marty -
I wanted to express how much I appreciate you and your organization. Now that I've FINALLY paid attention to my personal dental care; please know that in a short period of time, I've come to completely trust all your efforts. 6 new caps, 3 cleanings, and 1 root canal later; it is obvious to me not only how skilled you and your team is...but also how obvious it is that ALL your dedicated personnel have decision making space. It is easy to see that they are truly happy working in your organization. This is extremely important/vital for any organization...and certainly promotes organizational LONG TERM HEALTH.
Another item that is obvious - you have all the right updated technology and everyone knows how to utilize it including your dental assistants, hygienists, and front desk personnel.
All my visits have been relatively pain free. You have created a tremendous organization...AND I will always recommend you without reservation.
Thanks to you and your staff !
3/8/17

Scott S., Green Bay, WI

I had a crown procedure done by Dr. Marty. When I went in for my recheck, it was still bothering me a bit. When I explained this to Dr. Marty he told me he would make it right. He did and I am very happy with the work that was done. Dr. Marty is very professional and knowledgable in his work. He and his staff are very personable and pleasant to deal with. I couldn't be happier with my service and I would recommend him to anyone needing dental care. Since moving to Green Bay 20 years ago, I have been to several other dentists, hoping to find one that provided the service I was looking for. I finally found this with Sierra Dental. My family and I will definitely continue to go Dr. Marty.

Shiloh L, Howard, WI

You can tell from the moment you walk into the office that this clinic is fastidious and passionate about service. From the in-person discussion Marty has with each patient, to availability in scheduling, to how sweet and flexible their billing department is, it's obvious that every single element of the customer experience has been meticulously thought through. I've referred one of my bosses who'd had bad experiences at another clinic in town, and he couldn't say enough about what a positive experience he'd had. I've only had cleanings here luckily so far, but my children have had fillings, and we had totally smooth experiences each time. Thank you Marty and team for being an excellent option for dental care for my whole family!!

Alisa Miller, Marshfield

I am so happy with my experience at Sierra Dental!! Dr. Marty was by far the most gentle dentist I've visited. He and his dental assistant, Ashley made my experience fun, relaxing and super fast in just one visit! I'm incredibly pleased with the look of my new 2 front teeth, they are beautiful and give me the confidence I had been missing for years. Wish I would have seen Dr. Marty sooner!! Thank you so much Sierra Dental!!!

Samantha , Green Bay

What a great experience! The most thorough exam I have ever had. Not only did Dr. Marty check for cavities he also did a tissue exam to check for any abnormalities and checked my gums to make sure I was doing what I needed to prevent gum disease. Everyone was very friendly which created a welcoming and comfortable atmosphere. I had a lot of questions and Dr. Marty and his assistant, Ashley really took the time to answer them and make sure I understood. The office is very nice, clean and up-to-date. And should I ever need a crown, the "crown in a day" machine will be so convenient because I only have to make time for one visit instead of two, which is easier with my busy schedule. Highly recommend!